It is absolutely clear and unambiguous. "DeekSeek" can only mean the corporate entity "Hangzhou DeepSeek Artificial Intelligence Co., Ltd (DeepSeek)" and so there is no doubt at all about what an "implementation" means in this context.
An implementation must be a third party product that is using a product provided by the DeepSeek corporate entity.
An implementation must be a third party product that is using a product provided by the DeepSeek corporate entity.